Preterite Ernesto y Alberto (TRABAJAR) como voluntarios en una colonia de leprosos en Perú durante tres semanas.

Él piensa que ellos todavía son los mismos y no han cambiado

Present Perfect: Los protagonistas (CONOCER) a personas que enfrentan precariedad en los pueblos amerindios durante su travesía.

Cars passing under a freeway overpass occur at an average rate of .75 per second.   a.) What is the probability that over a 10 second interval you would observe at most 2 cars passing under this overpass? b.) Verify the expected value of the distribution outlined in a.) using the manual definition approach.  Be sure to SHOW ALL WORK FOR THIS PART OF THE PROBLEM.  Shortcut approaches will not be acceptable.

A guidance counselor asked 60 adults whether they had studied certain subjects in school. He found that: 15 studied Algebra (A) and Biology (B) 2 studied only Biology 17 studied Algebra and Chemistry  (C) 35 studied Chemistry 18 studied Chemistry and Biology 8 studied none of these 12 studied all three subjects Remember: A = Algebra B = Biology C = Chemistry Fill in the number of students for each of the numbered areas (labeled in red)  Area 1 [1]                    Area 2 [2] Area 3 [3]                    Area 4 [4] Area 5 [5]                    Area 6 [6] Area 7 [7]                    Area 8 [8]

Use the following Venn Diagram about the number of students who play each of the sports to answer the questions below. a.  How many students play all 3 sports?  [a] b.  How many students do not play either Hockey and Handball?  [b] c.  How many students play Hockey and Baseball?  [c] d.  How many students play Handball or Hockey?  [d] e.  How many students were interviewed?  [e]  

Given: n(A) = 15   and   n(B) = 23  a.   What is the minimum possible number of elements in A ∩ B?    [A]b.   What is the maximum possible number of elements in A ∪ B?    [B]

Choose   YES or  NO   from the Dropdown Menu. Given      U = {c, h, e, m, i, s, t, r, y, l, a, b}  and    A = {m, e, a, t}             B = {b, i, s, t}          C = {s, t, r, e, a, m}      D = {c, h, i, m, e, s}     E= {t, e, a, m}   a. Is A = E ?   [a] b. Is E ⊄ C ?  [b] c. Is {m, e} ∈ C ?  [c]  d. Is B ~ E ?  [d]  e. Is E ⊆ A ?  [e]  f. Is m ∈ D ?  [f]  g. Is C ⊂ A ?  [g]  h. Is A ⊆ D ?  [h] 

Given: n(A) = 15   and   n(B) = 23  a.   What is the minimum possible number of elements in A ∩ B?    [A]b.   What is the minimum possible number of elements in A ∪ B?    [B]

Brad did a study of whether any of the African national flags contained the colors red or blue. Of the 53 flags he studied, 8 had neither red nor blue, 13 have both red and blue, and 38 had red.  HINT:  Draw a Venn Diagram to help solve the problem. a.  How many flags had contained the color blue? [a] b. How many flags contained the color red, but not blue?  [b]